[REFACTOR] [Hacker Rank] Interview Preparation Kit: Miscellaneous: Friend Circle Queries.

* Adjusted the interface to match what hackerrank expects.

Author: sir-gon

src/hackerrank/interview_preparation_kit/miscellaneous/friend_circle_queries.js

@@ -56,7 +56,7 @@ class GropingFriends {
   }
 }
 
-export function maxCircle(queries) {
+function maxCircle(queries) {
   const result = [];
   const friends = new GropingFriends();
 
@@ -72,3 +72,4 @@ export function maxCircle(queries) {
 }
 
 export default { maxCircle };
+export { maxCircle };